Laboratory Test DirectoryShare
Varicella-Zoster Virus, DFA
|Methodology:||Direct Fluorescent Antibody Stain|
Patient Preparation: Collect vesicle specimen during first 3 days of rash.
Collect: Vesicle Swab, Tissue, OR Skin scrapings. Swab should be rolled in base of fresh vesicle to obtain cells.
Specimen Preparation: Immediately transfer specimen to viral transport media (UTM)
and refrigerate (extremely temperature sensitive).
Storage/Transport Temperature: Refrigerated.
Unacceptable Conditions: Bone marrow, CSF, or whole blood. Calcium alginate, eSwab, dry or wood swabs. Specimen source preferred.
Stability: Ambient: 4 hours; Refrigerated: 72 hours; Frozen: Unacceptable